Home / 13,264.01-18,307.58-7,957.70

Finding the Fourth Proportional to 13,264.01, 18,307.58 and 7,957.70

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Solution

The fourth proportional to 13,264.01, 18,307.58 and 7,957.70 is: 10,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.01 : 18,307.58 = 7,957.70 : x
  2. Step 2: Convert to fraction form
    13,264.01/18,307.58 = 7,957.70/x
  3. Step 3: Cross multiply
    13,264.01x = 18,307.58 × 7,957.70
  4. Step 4: Simplify right side
    13,264.01x = 145,686,098.04
  5. Step 5: Solve for x
    x = 145,686,098.04/13,264.01
  6. Step 6: Final answer
    x = 10,983.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.